<template>
    <div class="container">
        <h4 class="form-header h4">基本信息</h4>
        <el-form ref="form" :model="form" label-width="80px">
            <el-row>
                <el-col :span="8" :offset="2">
                    <el-form-item label="用户昵称" prop="nickName">
                        <el-input v-model="form.nickName" disabled />
                    </el-form-item>
                </el-col>
                <el-col :span="8" :offset="2">
                    <el-form-item label="登录账号" prop="userName">
                        <el-input  v-model="form.userName" disabled />
                    </el-form-item>
                </el-col>
            </el-row>
        </el-form>

        <h4 class="form-header h4">角色信息</h4>
        <el-table v-loading="loading" :row-key="getRowKey" @row-click="clickRow" ref="table" @selection-change="handleSelectionChange" :data="roles.slice((pageNum-1)*pageSize,pageNum*pageSize)">
            <el-table-column label="序号" type="index" align="center">
                <template slot-scope="scope">
                    <span>{{(pageNum - 1) * pageSize + scope.$index + 1}}</span>
                </template>
            </el-table-column>
            <el-table-column type="selection" :reserve-selection="true" width="55"></el-table-column>
            <el-table-column label="角色编号" align="center" prop="roleId" />
            <el-table-column label="角色名称" align="center" prop="roleName" />
            <el-table-column label="权限字符" align="center" prop="roleKey" />
            <el-table-column label="创建时间" align="center" prop="createTime" width="180">
                <template slot-scope="scope">
                    <span>{{ parseTime(scope.row.createTime) }}</span>
                </template>
            </el-table-column>
        </el-table>

        <div class='pagination'>
            <el-pagination
                background
                layout='total, prev, pager, next'
                :current-page='pageNum'
                :page-size='pageSize'
                :total='total'
                @current-change='handlePage'
            ></el-pagination>
        </div>

        <el-form label-width="100px">
            <el-form-item style="text-align: center;margin-left:-120px;margin-top:30px;">
                <el-button type="primary" @click="submitForm()">提交</el-button>
                <el-button @click="close()">返回</el-button>
            </el-form-item>
        </el-form>
    </div>
</template>

<script>
import { getAuthRole, updateAuthRole } from "@/api/system/user";

export default {
    name: "AuthRole",
    data() {
        return {
            // 遮罩层
            loading: true,
            // 分页信息
            total: 0,
            pageNum: 1,
            pageSize: 10,
            // 选中角色编号
            roleIds:[],
            // 角色信息
            roles: [],
            // 用户信息
            form: {}
        };
    },
    created() {
        this.getData();
    },
    activated() {
        this.reset();
        this.getData();
    },
    methods: {
        reset(){
            // 角色信息
            this.roles = [];
            // 用户信息
            this.form = {};
            this.pageNum = 1;
            this.pageSize = 10;
        },
        getData(){
            const userId = this.$route.params && this.$route.params.userId;
            if (userId) {
                this.loading = true;
                getAuthRole(userId).then((response) => {
                    this.form = response.data.user;
                    this.roles = response.data.roles;
                    this.total = this.roles.length;
                    this.$refs.table.clearSelection();
                    this.$nextTick(() => {
                        this.roles.forEach((row) => {
                            if (row.flag) {
                                this.$refs.table.toggleRowSelection(row, true);
                            }
                        });
                    });
                    this.loading = false;
                });
            }
        },
        /** 单击选中行数据 */
        clickRow(row) {
            this.$refs.table.toggleRowSelection(row);
        },
        // 多选框选中数据
        handleSelectionChange(selection) {
            this.roleIds = selection.map((item) => item.roleId);
        },
        // 保存选中的数据编号
        getRowKey(row) {
            return row.roleId;
        },
        /** 提交按钮 */
        submitForm() {
            const userId = this.form.userId;
            const roleIds = this.roleIds.join(",");
            updateAuthRole({ userId: userId, roleIds: roleIds }).then((response) => {
                this.$message.success("授权成功");
                this.close();
            });
        },
        /** 关闭按钮 */
        close() {
            const obj = { path: "/user" };
            this.$router.push(obj);
        },
        handlePage(val){
            this.pageNum = val;
        }
    },
};
</script>
